The raw definition in hebrew means Rabies, a fatal disease associated usually with canines, but can inflict other animals and even mankind. The less formal use is to describe anything that isn't good. And that includes anything.
A: Do you see this ugly girl?
B: yes, kalevet
A: how was the test?
B: kalevet, I knew nothing
A: I heard about youe rash
B: It's a kalevet of eczema
A: Kalevet
B: yes, kalevet
A: how was the test?
B: kalevet, I knew nothing
A: I heard about youe rash
B: It's a kalevet of eczema
A: Kalevet
by WandMan July 31, 2005